﻿#pragma once
#include <iostream>
#include <string.h>
#include <stack>
using namespace std;

class Expression
{
private:
	string expre;
protected:
	int GetPriority(char);
	void EditExpression(); //chỉnh lại biểu thức
	bool IsOperand(string);
public:
	Expression();
	Expression(string &);
	Expression(const Expression &);
	~Expression();

	string GetConvertSuffixes();
	float GetValueOfExpression();
};

